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<h1>Matrix Class</h1>
<div class="box meta">

        <div class="extends">
            Extends <a href="../classes/Class.html" class="crosslink">Class</a>
        </div>

        <div class="foundat">
            Defined in: <a href="../files/src_math_Matrix.js.html#l1"><code>src\math\Matrix.js:1</code></a>
        </div>

            Module: <a href="../modules/go2d.html">go2d</a>

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<div class="box intro">
    <p>变化矩阵类，实现矩阵基本运算，可表达两个二维向量空间之间的仿射变换。</p>
<pre class="code prettyprint"><code>
            |a  b  0|
(x, y, 1) * |c  d  0| = (ax + cy + tx, bx + dy + ty, 1)
            |tx ty 1|
</code></pre>
</div>

    <div class="constructor">
        <h2>Constructor</h2>
        <div id="method_Matrix" class="method item">
            <h3 class="name"><code>Matrix</code></h3>
        
                <div class="args">
                    <span class="paren">(</span><ul class="args-list inline commas">
                        <li class="arg">
                                <code>a</code>
                        </li>
                        <li class="arg">
                                <code>b</code>
                        </li>
                        <li class="arg">
                                <code>c</code>
                        </li>
                        <li class="arg">
                                <code>d</code>
                        </li>
                        <li class="arg">
                                <code>tx</code>
                        </li>
                        <li class="arg">
                                <code>ty</code>
                        </li>
                    </ul><span class="paren">)</span>
                </div>
        
        
        
        
        
        
        
        
            <div class="meta">
                        <p>
                        Defined in
                <a href="../files/src_math_Matrix.js.html#l1"><code>src\math\Matrix.js:1</code></a>
                </p>
        
        
        
            </div>
        
            <div class="description">
                
            </div>
        
                <div class="params">
                    <h4>Parameters:</h4>
        
                    <ul class="params-list">
                        <li class="param">
                                <code class="param-name">a</code>
                                <span class="type">Number</span>
        
        
                            <div class="param-description">
                                <p>缩放或旋转时水平方向的参数</p>
        
                            </div>
        
                        </li>
                        <li class="param">
                                <code class="param-name">b</code>
                                <span class="type">Number</span>
        
        
                            <div class="param-description">
                                <p>旋转或倾斜时垂直方向的参数</p>
        
                            </div>
        
                        </li>
                        <li class="param">
                                <code class="param-name">c</code>
                                <span class="type">Number</span>
        
        
                            <div class="param-description">
                                <p>旋转或倾斜时水平方向的参数</p>
        
                            </div>
        
                        </li>
                        <li class="param">
                                <code class="param-name">d</code>
                                <span class="type">Number</span>
        
        
                            <div class="param-description">
                                <p>缩放或旋转时垂直方向的参数</p>
        
                            </div>
        
                        </li>
                        <li class="param">
                                <code class="param-name">tx</code>
                                <span class="type">Number</span>
        
        
                            <div class="param-description">
                                <p>水平方向的平移距离</p>
        
                            </div>
        
                        </li>
                        <li class="param">
                                <code class="param-name">ty</code>
                                <span class="type">Number</span>
        
        
                            <div class="param-description">
                                <p>垂直方向的平移距离</p>
        
                            </div>
        
                        </li>
                    </ul>
                </div>
        
        
        
        </div>
    </div>

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        <li class="api-class-tab index"><a href="#index">Index</a></li>

            <li class="api-class-tab methods"><a href="#methods">Methods</a></li>
            <li class="api-class-tab properties"><a href="#properties">Properties</a></li>
    </ul>

    <div>
        <div id="index" class="api-class-tabpanel index">
            <h2 class="off-left">Item Index</h2>

                <div class="index-section methods">
                    <h3>Methods</h3>

                    <ul class="index-list methods extends">
                            <li class="index-item method">
                                <a href="#method_append">append</a>

                            </li>
                            <li class="index-item method">
                                <a href="#method_clone">clone</a>

                            </li>
                            <li class="index-item method">
                                <a href="#method_equals">equals</a>

                            </li>
                            <li class="index-item method">
                                <a href="#method_identity">identity</a>

                            </li>
                            <li class="index-item method">
                                <a href="#method_invert">invert</a>

                            </li>
                            <li class="index-item method">
                                <a href="#method_multiply">multiply</a>

                            </li>
                            <li class="index-item method">
                                <a href="#method_prepend">prepend</a>

                            </li>
                            <li class="index-item method">
                                <a href="#method_rotate">rotate</a>

                            </li>
                            <li class="index-item method">
                                <a href="#method_scale">scale</a>

                            </li>
                            <li class="index-item method">
                                <a href="#method_set">set</a>

                            </li>
                            <li class="index-item method">
                                <a href="#method_skew">skew</a>

                            </li>
                            <li class="index-item method">
                                <a href="#method_toArray">toArray</a>

                            </li>
                            <li class="index-item method">
                                <a href="#method_translate">translate</a>

                            </li>
                    </ul>
                </div>

                <div class="index-section properties">
                    <h3>Properties</h3>

                    <ul class="index-list properties extends">
                            <li class="index-item property">
                                <a href="#property_a">a</a>

                            </li>
                            <li class="index-item property">
                                <a href="#property_b">b</a>

                            </li>
                            <li class="index-item property">
                                <a href="#property_c">c</a>

                            </li>
                            <li class="index-item property">
                                <a href="#property_d">d</a>

                            </li>
                            <li class="index-item property">
                                <a href="#property_DEG_TO_RAD">DEG_TO_RAD</a>

                            </li>
                            <li class="index-item property">
                                <a href="#property_tx">tx</a>

                            </li>
                            <li class="index-item property">
                                <a href="#property_ty">ty</a>

                            </li>
                    </ul>
                </div>


        </div>

            <div id="methods" class="api-class-tabpanel">
                <h2 class="off-left">Methods</h2>

<div id="method_append" class="method item">
    <h3 class="name"><code>append</code></h3>

        <div class="args">
            <span class="paren">(</span><ul class="args-list inline commas">
                <li class="arg">
                        <code>matrix</code>
                </li>
            </ul><span class="paren">)</span>
        </div>

        <span class="returns-inline">
            <span class="type">This</span>
        </span>







    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_math_Matrix.js.html#l133"><code>src\math\Matrix.js:133</code></a>
        </p>



    </div>

    <div class="description">
        <p>后置相乘</p>

    </div>

        <div class="params">
            <h4>Parameters:</h4>

            <ul class="params-list">
                <li class="param">
                        <code class="param-name">matrix</code>
                        <span class="type"><a href="../classes/Matrix.html" class="crosslink">Matrix</a></span>


                    <div class="param-description">
                        <p>后置矩阵</p>

                    </div>

                </li>
            </ul>
        </div>

        <div class="returns">
            <h4>Returns:</h4>

            <div class="returns-description">
                        <span class="type">This</span>:
            </div>
        </div>


</div>
<div id="method_clone" class="method item">
    <h3 class="name"><code>clone</code></h3>

        <span class="paren">()</span>

        <span class="returns-inline">
            <span class="type"><a href="../classes/Matrix.html" class="crosslink">Matrix</a></span>
        </span>







    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_math_Matrix.js.html#l224"><code>src\math\Matrix.js:224</code></a>
        </p>



    </div>

    <div class="description">
        <p>创建当前矩阵的克隆对象</p>

    </div>


        <div class="returns">
            <h4>Returns:</h4>

            <div class="returns-description">
                        <span class="type"><a href="../classes/Matrix.html" class="crosslink">Matrix</a></span>:
                    <p>当前矩阵的克隆对象</p>

            </div>
        </div>


</div>
<div id="method_equals" class="method item">
    <h3 class="name"><code>equals</code></h3>

        <div class="args">
            <span class="paren">(</span><ul class="args-list inline commas">
                <li class="arg">
                        <code>matrix</code>
                </li>
            </ul><span class="paren">)</span>
        </div>

        <span class="returns-inline">
            <span class="type">Boolean</span>
        </span>







    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_math_Matrix.js.html#l212"><code>src\math\Matrix.js:212</code></a>
        </p>



    </div>

    <div class="description">
        <p>判断两个矩阵是否相等</p>

    </div>

        <div class="params">
            <h4>Parameters:</h4>

            <ul class="params-list">
                <li class="param">
                        <code class="param-name">matrix</code>
                        <span class="type"><a href="../classes/Vector.html" class="crosslink">Vector</a></span>


                    <div class="param-description">
                        <p>另一个向量</p>

                    </div>

                </li>
            </ul>
        </div>

        <div class="returns">
            <h4>Returns:</h4>

            <div class="returns-description">
                        <span class="type">Boolean</span>:
                    <p>是否相等</p>

            </div>
        </div>


</div>
<div id="method_identity" class="method item">
    <h3 class="name"><code>identity</code></h3>

        <span class="paren">()</span>

        <span class="returns-inline">
            <span class="type">This</span>
        </span>







    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_math_Matrix.js.html#l80"><code>src\math\Matrix.js:80</code></a>
        </p>



    </div>

    <div class="description">
        <p>设置当前矩阵为单位矩阵</p>

    </div>


        <div class="returns">
            <h4>Returns:</h4>

            <div class="returns-description">
                        <span class="type">This</span>:
            </div>
        </div>


</div>
<div id="method_invert" class="method item">
    <h3 class="name"><code>invert</code></h3>

        <span class="paren">()</span>

        <span class="returns-inline">
            <span class="type">This</span>
        </span>







    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_math_Matrix.js.html#l88"><code>src\math\Matrix.js:88</code></a>
        </p>



    </div>

    <div class="description">
        <p>执行当前矩阵的逆转换</p>

    </div>


        <div class="returns">
            <h4>Returns:</h4>

            <div class="returns-description">
                        <span class="type">This</span>:
            </div>
        </div>


</div>
<div id="method_multiply" class="method item">
    <h3 class="name"><code>multiply</code></h3>

        <div class="args">
            <span class="paren">(</span><ul class="args-list inline commas">
                <li class="arg">
                        <code>vector</code>
                </li>
            </ul><span class="paren">)</span>
        </div>

        <span class="returns-inline">
            <span class="type"><a href="../classes/Vector.html" class="crosslink">Vector</a></span>
        </span>







    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_math_Matrix.js.html#l157"><code>src\math\Matrix.js:157</code></a>
        </p>



    </div>

    <div class="description">
        <p>将变换矩阵乘以向量</p>

    </div>

        <div class="params">
            <h4>Parameters:</h4>

            <ul class="params-list">
                <li class="param">
                        <code class="param-name">vector</code>
                        <span class="type"><a href="../classes/Vector.html" class="crosslink">Vector</a></span>


                    <div class="param-description">
                        <p>变换前的向量</p>

                    </div>

                </li>
            </ul>
        </div>

        <div class="returns">
            <h4>Returns:</h4>

            <div class="returns-description">
                        <span class="type"><a href="../classes/Vector.html" class="crosslink">Vector</a></span>:
                    <p>变换后的向量</p>

            </div>
        </div>


</div>
<div id="method_prepend" class="method item">
    <h3 class="name"><code>prepend</code></h3>

        <div class="args">
            <span class="paren">(</span><ul class="args-list inline commas">
                <li class="arg">
                        <code>matrix</code>
                </li>
            </ul><span class="paren">)</span>
        </div>

        <span class="returns-inline">
            <span class="type">This</span>
        </span>







    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_math_Matrix.js.html#l109"><code>src\math\Matrix.js:109</code></a>
        </p>



    </div>

    <div class="description">
        <p>前置相乘</p>

    </div>

        <div class="params">
            <h4>Parameters:</h4>

            <ul class="params-list">
                <li class="param">
                        <code class="param-name">matrix</code>
                        <span class="type"><a href="../classes/Matrix.html" class="crosslink">Matrix</a></span>


                    <div class="param-description">
                        <p>前置矩阵</p>

                    </div>

                </li>
            </ul>
        </div>

        <div class="returns">
            <h4>Returns:</h4>

            <div class="returns-description">
                        <span class="type">This</span>:
            </div>
        </div>


</div>
<div id="method_rotate" class="method item">
    <h3 class="name"><code>rotate</code></h3>

        <div class="args">
            <span class="paren">(</span><ul class="args-list inline commas">
                <li class="arg">
                        <code>angle</code>
                </li>
            </ul><span class="paren">)</span>
        </div>

        <span class="returns-inline">
            <span class="type">This</span>
        </span>







    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_math_Matrix.js.html#l178"><code>src\math\Matrix.js:178</code></a>
        </p>



    </div>

    <div class="description">
        <p>旋转</p>

    </div>

        <div class="params">
            <h4>Parameters:</h4>

            <ul class="params-list">
                <li class="param">
                        <code class="param-name">angle</code>
                        <span class="type">Number</span>


                    <div class="param-description">
                        <p>旋转的角度（弧度制）</p>

                    </div>

                </li>
            </ul>
        </div>

        <div class="returns">
            <h4>Returns:</h4>

            <div class="returns-description">
                        <span class="type">This</span>:
            </div>
        </div>


</div>
<div id="method_scale" class="method item">
    <h3 class="name"><code>scale</code></h3>

        <div class="args">
            <span class="paren">(</span><ul class="args-list inline commas">
                <li class="arg">
                        <code>x</code>
                </li>
                <li class="arg">
                        <code>y</code>
                </li>
            </ul><span class="paren">)</span>
        </div>

        <span class="returns-inline">
            <span class="type">This</span>
        </span>







    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_math_Matrix.js.html#l168"><code>src\math\Matrix.js:168</code></a>
        </p>



    </div>

    <div class="description">
        <p>缩放</p>

    </div>

        <div class="params">
            <h4>Parameters:</h4>

            <ul class="params-list">
                <li class="param">
                        <code class="param-name">x</code>
                        <span class="type">Number</span>


                    <div class="param-description">
                        <p>水平方向的缩放比例</p>

                    </div>

                </li>
                <li class="param">
                        <code class="param-name">y</code>
                        <span class="type">Number</span>


                    <div class="param-description">
                        <p>垂直方向的缩放比例</p>

                    </div>

                </li>
            </ul>
        </div>

        <div class="returns">
            <h4>Returns:</h4>

            <div class="returns-description">
                        <span class="type">This</span>:
            </div>
        </div>


</div>
<div id="method_set" class="method item">
    <h3 class="name"><code>set</code></h3>

        <span class="paren">()</span>

        <span class="returns-inline">
            <span class="type">This</span>
        </span>







    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_math_Matrix.js.html#l24"><code>src\math\Matrix.js:24</code></a>
        </p>



    </div>

    <div class="description">
        <p>设置矩阵属性值，参数同构造函数</p>

    </div>


        <div class="returns">
            <h4>Returns:</h4>

            <div class="returns-description">
                        <span class="type">This</span>:
            </div>
        </div>


</div>
<div id="method_skew" class="method item">
    <h3 class="name"><code>skew</code></h3>

        <div class="args">
            <span class="paren">(</span><ul class="args-list inline commas">
                <li class="arg">
                        <code>x</code>
                </li>
                <li class="arg">
                        <code>y</code>
                </li>
            </ul><span class="paren">)</span>
        </div>

        <span class="returns-inline">
            <span class="type">This</span>
        </span>







    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_math_Matrix.js.html#l189"><code>src\math\Matrix.js:189</code></a>
        </p>



    </div>

    <div class="description">
        <p>斜切</p>

    </div>

        <div class="params">
            <h4>Parameters:</h4>

            <ul class="params-list">
                <li class="param">
                        <code class="param-name">x</code>
                        <span class="type">Number</span>


                    <div class="param-description">
                        <p>水平方向的斜切角度（弧度制）</p>

                    </div>

                </li>
                <li class="param">
                        <code class="param-name">y</code>
                        <span class="type">Number</span>


                    <div class="param-description">
                        <p>垂直方向的斜切角度（弧度制）</p>

                    </div>

                </li>
            </ul>
        </div>

        <div class="returns">
            <h4>Returns:</h4>

            <div class="returns-description">
                        <span class="type">This</span>:
            </div>
        </div>


</div>
<div id="method_toArray" class="method item">
    <h3 class="name"><code>toArray</code></h3>

        <span class="paren">()</span>

        <span class="returns-inline">
            <span class="type">Array</span>
        </span>







    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_math_Matrix.js.html#l232"><code>src\math\Matrix.js:232</code></a>
        </p>



    </div>

    <div class="description">
        <p>将矩阵转换为数组</p>

    </div>


        <div class="returns">
            <h4>Returns:</h4>

            <div class="returns-description">
                        <span class="type">Array</span>:
                    <p>转换后的数组</p>

            </div>
        </div>


</div>
<div id="method_translate" class="method item">
    <h3 class="name"><code>translate</code></h3>

        <div class="args">
            <span class="paren">(</span><ul class="args-list inline commas">
                <li class="arg">
                        <code>x</code>
                </li>
                <li class="arg">
                        <code>y</code>
                </li>
            </ul><span class="paren">)</span>
        </div>

        <span class="returns-inline">
            <span class="type">This</span>
        </span>







    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_math_Matrix.js.html#l199"><code>src\math\Matrix.js:199</code></a>
        </p>



    </div>

    <div class="description">
        <p>平移</p>

    </div>

        <div class="params">
            <h4>Parameters:</h4>

            <ul class="params-list">
                <li class="param">
                        <code class="param-name">x</code>
                        <span class="type">Number</span>


                    <div class="param-description">
                        <p>水平方向的平移像素</p>

                    </div>

                </li>
                <li class="param">
                        <code class="param-name">y</code>
                        <span class="type">Number</span>


                    <div class="param-description">
                        <p>垂直方向的平移像素</p>

                    </div>

                </li>
            </ul>
        </div>

        <div class="returns">
            <h4>Returns:</h4>

            <div class="returns-description">
                        <span class="type">This</span>:
            </div>
        </div>


</div>
            </div>

            <div id="properties" class="api-class-tabpanel">
                <h2 class="off-left">Properties</h2>

                    <div id="property_a" class="property item">
                        <h3 class="name"><code>a</code></h3>
                        <span class="type">Number</span>
                    
                    
                    
                    
                    
                        <div class="meta">
                                    <p>
                                    Defined in
                            <a href="../files/src_math_Matrix.js.html#l32"><code>src\math\Matrix.js:32</code></a>
                            </p>
                    
                    
                        </div>
                    
                        <div class="description">
                            <p>缩放或旋转时水平方向的参数</p>
                    
                        </div>
                    
                    
                    
                    </div>
                    <div id="property_b" class="property item">
                        <h3 class="name"><code>b</code></h3>
                        <span class="type">Number</span>
                    
                    
                    
                    
                    
                        <div class="meta">
                                    <p>
                                    Defined in
                            <a href="../files/src_math_Matrix.js.html#l39"><code>src\math\Matrix.js:39</code></a>
                            </p>
                    
                    
                        </div>
                    
                        <div class="description">
                            <p>旋转或倾斜时垂直方向的参数</p>
                    
                        </div>
                    
                    
                    
                    </div>
                    <div id="property_c" class="property item">
                        <h3 class="name"><code>c</code></h3>
                        <span class="type">Number</span>
                    
                    
                    
                    
                    
                        <div class="meta">
                                    <p>
                                    Defined in
                            <a href="../files/src_math_Matrix.js.html#l46"><code>src\math\Matrix.js:46</code></a>
                            </p>
                    
                    
                        </div>
                    
                        <div class="description">
                            <p>旋转或倾斜时水平方向的参数</p>
                    
                        </div>
                    
                    
                    
                    </div>
                    <div id="property_d" class="property item">
                        <h3 class="name"><code>d</code></h3>
                        <span class="type">Number</span>
                    
                    
                    
                    
                    
                        <div class="meta">
                                    <p>
                                    Defined in
                            <a href="../files/src_math_Matrix.js.html#l53"><code>src\math\Matrix.js:53</code></a>
                            </p>
                    
                    
                        </div>
                    
                        <div class="description">
                            <p>缩放或旋转时垂直方向的参数</p>
                    
                        </div>
                    
                    
                    
                    </div>
                    <div id="property_DEG_TO_RAD" class="property item">
                        <h3 class="name"><code>DEG_TO_RAD</code></h3>
                        <span class="type">Number</span>
                    
                    
                    
                    
                    
                        <div class="meta">
                                    <p>
                                    Defined in
                            <a href="../files/src_math_Matrix.js.html#l241"><code>src\math\Matrix.js:241</code></a>
                            </p>
                    
                    
                        </div>
                    
                        <div class="description">
                            <p>角度制、弧度制换算比例</p>
                    
                        </div>
                    
                    
                    
                    </div>
                    <div id="property_tx" class="property item">
                        <h3 class="name"><code>tx</code></h3>
                        <span class="type">Number</span>
                    
                    
                    
                    
                    
                        <div class="meta">
                                    <p>
                                    Defined in
                            <a href="../files/src_math_Matrix.js.html#l60"><code>src\math\Matrix.js:60</code></a>
                            </p>
                    
                    
                        </div>
                    
                        <div class="description">
                            <p>水平方向的平移距离</p>
                    
                        </div>
                    
                    
                    
                    </div>
                    <div id="property_ty" class="property item">
                        <h3 class="name"><code>ty</code></h3>
                        <span class="type">Number</span>
                    
                    
                    
                    
                    
                        <div class="meta">
                                    <p>
                                    Defined in
                            <a href="../files/src_math_Matrix.js.html#l67"><code>src\math\Matrix.js:67</code></a>
                            </p>
                    
                    
                        </div>
                    
                        <div class="description">
                            <p>垂直方向的平移距离</p>
                    
                        </div>
                    
                    
                    
                    </div>
            </div>


    </div>
</div>
                    </div>
                </div>
            </div>
        </div>
    </div>
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